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By: Fisher, H. H. - Soderholm, P. K., - Kahn, R. P., - United States. Agricultural Research Service.Edition:Publication info: [Beltsville, Md.], U.S. Dept. of Agriculture, Agricultural Research Service, 1967Volume: no.34-37-4Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: